An international team of researchers has announced a significant advancement in gravitational-wave astronomy, with the detection of 128 new cosmic collisions involving black holes and neutron stars.

Nov. 22—Turn onto Monticello Road near Willard Airport in Savoy, and the first sign supporting Unity football is a few hundred yards away on the side of the road. Then another one materializes ...

Black holes are getting stranger — even to astronomers. They’ve now detected the signal from a long ago violent collision of two black holes that created a new one of a size that had never ...